1The study on influence factors of the characteristics of sulfur releasing during the coal combustion9-122Numerical simulation and analysis of flow field of 90°elbow pipeSUN Feng-zhong, WANG Kai, WANG Wei13-153Study on the mathematical method of hydraulic calculation for pipe systemsLI De-bo, JIAN Cong-guang16-194The problem of energy conservation for air conditioning second returns air systemXIAO Guang-xin, WANG Guo-heng19-215Study on energy conservation on fluidization drying of corns22-246The design and optimal operation of ice-storage system in residential quarterYU Lian-tao, WU Xi-ping, ZHU Lin-xia25-277Variable speed fluid couplings calculate of movement efficiency and analyse of economize on electricitySHAO Wan-zhen28-318Reactive power compensation and energy-saving in industrial applicationsLOU Ying, LI Xiao-ming, PI Wei-cai32-359Analysis on energy saving and materials of seawater refrigeration equipment and heat pumpQIAO Mu, CHEN Dong, XU Shu-xue35-3710Several suggestions of ground source heat pump air-condition system application38-4011Design of optimization and improvement for the living heating water of concentrated supply of LinYuan districtFAN Zhi-ming41-4312ABSTRACTS2